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CVE-2025-57820: Prototype Pollution in Svelte devalue Library

CVE-2025-57820: Prototype Pollution in Svelte devalue Library

CVE-2025-57820 is a high-severity prototype pollution vulnerability in the Svelte devalue library (versions before 5.3.2). A crafted input to devalue.parse can modify object prototypes by exploiting unchecked __proto__ properties, leading to serious application-level risks. This issue is resolved in version 5.3.2. Vulnerability Details of CVE-2025-57820 Exploitation Path An attacker can send a specially crafted string […]